Suspension and Components› Front Suspension Components
Synergy
Synergy Jeep TJ/LJ/XJ/YJ/ZJ HD Knurled Front Ball Joint Set Dana 30/44 (w/2 Uppers + 2 Lowers)
SKU: S02R 4120
Moderate — 2–4 hours
Description
These heavy-duty ball joints are recommended for lifted Jeeps to withstand the stress of larger tires and off-road use. They are compatible with all aftermarket axle shafts without requiring modifications.
Fitment
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Available on iOS & Android
Specifications
| Brand | Synergy |
| Part Number | S02R 4120 |
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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